Aquifer Maps

Texas Water Development Board Map – Major Aquifers of Texas

1994 Map
2006 Map

TX Aquifers 1994

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(Source: Texas Water Development Board Report 345, Aquifers of Texas by John B. Ashworth, Geologist and Janie Hopkins, Geologist November 1995 Labeled as page 9.)

TX Aquifers 2006

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(Source: Texas Water Development Board updated December 2006 by Mark Hayes, GISP)


Areal distribution of wells and observed changes in water levels in the Ogallala Aquifer, 1900 to 2000

Ogallala Aquifer
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Source: "Changes in Water Levels in Texas" study shows increases in water levels in some Andrews County areas near the WCS site, where many other areas show decreases in Ogallala Aquifer levels.

Full report – "Changes in Water Levels in Texas 1990–2000", Report 371, November 2008, Texas Water Development Board, www.twdb.state.tx.us by Radu Boghici, Page 12

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